128767968

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 240

約数和(自身を含む): 444939264

約数和(自身を除く): 316171296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 47, 48, 54, 56, 63, 72, 81, 84, 94, 96, 108, 112, 126, 141, 144, 151, 162, 168, 188, 189, 216, 224, 252, 282, 288, 302, 324, 329, 336, 376, 378, 423, 432, 453, 504, 564, 567, 604, 648, 658, 672, 752, 756, 846, 864, 906, 987, 1008, 1057, 1128, 1134, 1208, 1269, 1296, 1316, 1359, 1504, 1512, 1692, 1812, 1974, 2016, 2114, 2256, 2268, 2416, 2538, 2592, 2632, 2718, 2961, 3024, 3171, 3384, 3624, 3807, 3948, 4077, 4228, 4512, 4536, 4832, 5076, 5264, 5436, 5922, 6048, 6342, 6768, 7097, 7248, 7614, 7896, 8154, 8456, 8883, 9072, 9513, 10152, 10528, 10872, 11844, 12231, 12684, 13536, 14194, 14496, 15228, 15792, 16308, 16912, 17766, 18144, 19026, 20304, 21291, 21744, 23688, 24462, 25368, 26649, 28388, 28539, 30456, 31584, 32616, 33824, 35532, 38052, 40608, 42582, 43488, 47376, 48924, 49679, 50736, 53298, 56776, 57078, 60912, 63873, 65232, 71064, 76104, 85164, 85617, 94752, 97848, 99358, 101472, 106596, 113552, 114156, 121824, 127746, 130464, 142128, 149037, 152208, 170328, 171234, 191619, 195696, 198716, 213192, 227104, 228312, 255492, 284256, 298074, 304416, 340656, 342468, 383238, 391392, 397432, 426384, 447111, 456624, 510984, 574857, 596148, 681312, 684936, 766476, 794864, 852768, 894222, 913248, 1021968, 1149714, 1192296, 1341333, 1369872, 1532952, 1589728, 1788444, 2043936, 2299428, 2384592, 2682666, 2739744, 3065904, 3576888, 4023999, 4598856, 4769184, 5365332, 6131808, 7153776, 8047998, 9197712, 10730664, 14307552, 16095996, 18395424, 21461328, 32191992, 42922656, 64383984, 128767968]

約数ペア:

[(1, 128767968), (2, 64383984), (3, 42922656), (4, 32191992), (6, 21461328), (7, 18395424), (8, 16095996), (9, 14307552), (12, 10730664), (14, 9197712), (16, 8047998), (18, 7153776), (21, 6131808), (24, 5365332), (27, 4769184), (28, 4598856), (32, 4023999), (36, 3576888), (42, 3065904), (47, 2739744), (48, 2682666), (54, 2384592), (56, 2299428), (63, 2043936), (72, 1788444), (81, 1589728), (84, 1532952), (94, 1369872), (96, 1341333), (108, 1192296), (112, 1149714), (126, 1021968), (141, 913248), (144, 894222), (151, 852768), (162, 794864), (168, 766476), (188, 684936), (189, 681312), (216, 596148), (224, 574857), (252, 510984), (282, 456624), (288, 447111), (302, 426384), (324, 397432), (329, 391392), (336, 383238), (376, 342468), (378, 340656), (423, 304416), (432, 298074), (453, 284256), (504, 255492), (564, 228312), (567, 227104), (604, 213192), (648, 198716), (658, 195696), (672, 191619), (752, 171234), (756, 170328), (846, 152208), (864, 149037), (906, 142128), (987, 130464), (1008, 127746), (1057, 121824), (1128, 114156), (1134, 113552), (1208, 106596), (1269, 101472), (1296, 99358), (1316, 97848), (1359, 94752), (1504, 85617), (1512, 85164), (1692, 76104), (1812, 71064), (1974, 65232), (2016, 63873), (2114, 60912), (2256, 57078), (2268, 56776), (2416, 53298), (2538, 50736), (2592, 49679), (2632, 48924), (2718, 47376), (2961, 43488), (3024, 42582), (3171, 40608), (3384, 38052), (3624, 35532), (3807, 33824), (3948, 32616), (4077, 31584), (4228, 30456), (4512, 28539), (4536, 28388), (4832, 26649), (5076, 25368), (5264, 24462), (5436, 23688), (5922, 21744), (6048, 21291), (6342, 20304), (6768, 19026), (7097, 18144), (7248, 17766), (7614, 16912), (7896, 16308), (8154, 15792), (8456, 15228), (8883, 14496), (9072, 14194), (9513, 13536), (10152, 12684), (10528, 12231), (10872, 11844)]